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Kommander Industrial KeyKoder
Radio/Control Systems

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The KIK29 Kommander KeyKoder is an enhanced version of the KIK20 used in battery powered remote controlled commercial mobile robots since 1988. The KIK29 provides a radio control link featuring 14 servo channels and 15 simultaneous on-off power switch channels operating on FCC approved frequencies with encoded transmitter identification. Up to 4 of the 15 on-off channels include special validation coding to assure extra security against false commands. The features outlined herein are also featured in the KIK44 which has 15 more on-off channels.

Like its predecessor, the KIK29 is based upon proven Futaba Radio/Control technology. Futaba has established the new standard for Pulse Code Modulation R/C systems with their PCM1024* code format. This format enables extra-reliable com-munication of control commands. It features full 10 bit servo resolution on all 8 channels yielding over 1000 distinct servo positions for the ultimate in resolution and response. For technical details click on The PCM Advantage.  VANTEC directly interfaces with the PCM data to harness the 8th channel as an expansion for as many as 128 additional on-off channels, or other functions such as a unique transmitter IDentification code, more servo channels, sequential on-off switching, a computer data port, and telemetry control.

The KIK29 Receptor is designed to easily retro-fit existing KIK20 Receptors and so is limited to 15 on-off switch outputs, transmitter identification and two banks of 7 servo channels each. Many parameters are programmable to set the control configuration you need. The KIK29R is 7.12"L X 5"W X 2.62"H. The Receptor on-off switch outputs are capable of sinking or sourcing 10 amps and withstanding 30 VDC. Because these channels may operate simultaneously there is a box limit of 100 amperes. Each output is protected by an electronic circuit breaker at approximately 20 amps which resets upon an "off" command.

The sink or source flexibility allows a pair of outputs to be configured as a totem pole or half-bridge with sink to ground and source to +24 VDC. By using a 12 volt motor connected between the totem-pole junction and a +12VDC node, the motor may be run forward or reverse using a single Key Channel for each direction. No relays are required. To guard against destructive totem-pole shoot-through VANTEC coded the KeyChannels to guarantee trouble free switching. Note that a full H-bridge could also be implemented.

The proportional channel Servo Command Pulse outputs of the KIK29R Receptor are divided into two banks. Selected outputs provide a +4V positive .9-2.1 ms pulse with a 14 ms repetition rate. An un-selected servo output is low. Jumper programming establishes which channels are dedicated and which are bank switched. Typically channels 1 & 2 are dedicated to control locomotion. The KIK29P SCP outputs are recessed male pins just like Futaba receivers.

All communications for all channels within the KIK29 Receptor utilize the mathematical verification built into the PCM1024 format. If the data is corrupt, it continues to use the older proven data as the command. When the data is corrupt for approximately 1 second the receiver enters Failsafe. You may pre-program the Failsafe response to suit your application.

VANTEC has added three additional levels of data verification starting with specific transmitter identification. A programmable 12 bit word identifies your transmitter about once every second; if it is not consistently received the Receptor enters Failsafe. The Receptor also tests the KeyKoder data before updating the Key Channel output.

The third and most critical tests are for the on-off Secure Key Channels. For a secure output to occur:

1. No Failsafe initially or subsequently

2. Valid PCM format

3. Valid KeyKoder device format

4. Valid specific transmitter ID received

5. Activate command received and maintained

6. Valid Trip command decoded by time and sequence sensitive discrete hard logic.

Failsafe for the 14 Servo Command Pulse channels is established by criteria under control of the incorporated Futaba receiver and it's effect upon those channels is largely established by the Futaba PCM transmitter programming as described in their manual. The Key and Secure channel Failsafe is established by more critical VANTEC criteria within the Receptor and this Failsafe also effects the 14 Servo channels via the bank switching multiplexer. The Key channels response in the Failsafe mode is programmed by Receptor jumpers.

The Receptor is powered by +8 to + 12 VDC for the +LOGIC and by the highest voltage handled by the Keykoder switch outputs connected to +KEY; usually 24 VDC. The power on the Servo Command Pulse outputs is derived from the +LOGIC. If these SCP outputs will not be used to run power hungry servos a proper dropping resistor may be used between the higher +KEY power input to run the +LOGIC. It draws 480 ma plus SCP output .

The KIK29T Transmitter is a basic building block consisting of a sandwich of 3 Printed Wiring Boards bolted and wired together, ready for installation into your command transmitter case or optionally VANTEC can custom package it for you. The KIK29T is 6.9L X 4.8W X 2.7"H. Although it includes Key and Secure channel testing buttons, connectors are provided to cable your own selection of switches, buttons, potentiometers and joysticks. You have complete control over the control panel design and transmitter packaging. A 18" long cable/connector kit is available separately.

Because the Transmitter Key and Secure channels operate independently and simultaneously a simple toggle switch serves as an accurate annunciator of the channels status. "Latched" KeyOn/KeyOff channels are not required; but they are available; the optional LED annunciators would be useful for such KOKO channels. A shielded phono jack provides coaxial RF output.

The KIK29T Transmitter should be powered by 9.8 to 12 VDC. It will cease operation below 8.8 VDC, with a warning beeping.

The license free U.S.A. R/C frequencies in the 72MHz and 75MHz bands at .75 watt are available as standard. VANTEC has supplied other frequencies from 38.5 to 500 MHz to satisfy export markets as well as booster amplifiers up to 50 watts in applications providing evidence of appropriate FCC licensing.

VANTEC will quote on custom packaging of the KIK29T and KIK44T transmitters.

The KIK29 & 44 come with a limited one-year warranty based upon a nominalrepair charge for units not tampered with or abused. Details available on our Warranty page.   We also sell a lower cost version of the KeyKoder expansion technology called the Hitchiker for serious hobbyists.

CHOOSING THE RIGHT MODEL: See complete overview of KeyKoder products at KeyKoder Overview.

Note: Our products are not safety devices nor for use in life-critical or life support systems. Specifications and price subject to change without notice. Patented. Some trade names, trademarks & content owned by others.

Sales: (800) 882-6832

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